Your source? Just curious.
Heres one source, though they pretty much all have similar
data * According to data from the IRS, the bottom 50 percent of income earners pay approximately 4 percent of income taxes.
* The top 25 percent of income earners pay nearly 83 percent of the income tax burden, and the top 10 percent pay 65 percent.
* The top 1 percent of income earners pay almost 35 percent of all income taxes.
* The top 400 richest Americans paid 1.58 of total income taxes in 2000.
* From 1984 to 2001, those in the bottom quintile saw their share of the total tax burden drop from 2.4 percent to 1.1 percent.
* Those in the top quintile saw their share rise from 55.6 percent to 65.3 percent.
* The top 10 percent increased their share from 39.3 percent to 50 percent; the top 5 percent's share rose from 28.2 to 38.5 percent; and those in the top 1 percent saw their share skyrocket from 14.7 percent to 22.7 percent.
* From 1979 through 2003, the total federal tax burden on the highest-earning percentage of Americans -- who earn 52 percent of all income -- rose from 56 percent to 66 percent of all taxes.
* Their share of individual income taxes jumped from 65 percent to 85 percent.
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On the spending side, antipoverty spending has leaped from 9.1 percent of all federal spending in 1990 to a record 16.3 percent in 2004. * In the case of for-profit firms, shareholders demand that any surplus income in excess of expenses be distributed to them as dividends or retained as accumulated earnings.
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Those firms react to taxes by trying to shift them to customers in the form of higher prices or to employees in the form of lower compensation.